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Carcinoma, Non-Small-Cell Lung | A Phase II Study to Assess Efficacy of Combined Treatment With Erlotinib (Tarceva) and Silybin-phytosome (Siliphos) in Patients With EGFR Mutant Lung Adenocarcinoma

Carcinoma, Non-Small-Cell Lung research study

What is the primary objective of this study?

1. Title and stage of study A Phase II Study to Assess Efficacy of Combined Treatment with Erlotinib (Tarceva) and Silybin-phytosome (Siliphos) in Patients with EGFR mutant lung adenocarcinoma 2. Endpoints Primary Endpoint : tumour response rate Secondary Endpoint : progression-free survival, overall survival, and safety assessment 3. Study Rationale Even though it is commonly accepted that EGFR TKIs are effective to EGFR mutation positive lung cancer patients, still remains its resistance issue. The Silybin which is extract from mugwort bean Thistle and used for hepatoprotective drug for a long time with very low adverse events in Eastern countries. Recently, there are some reports regarding its anti-cancer effects through several preclinical studies. The safety of Siliphos which is developed agent from silybin for improving intestinal absorption was demonstrated in PhaseⅠtrial. Recently investigators found out Silybin is effective for blocking EGFR signal in different mechanism from Erlotinib and it can be expected additional impact with combination therapy with preclinical data. Our research team can expect to improve Lung cancer treatment if the combination therapy (Silybin_Erlotinib) improves patients' response and Overall survivor. 4. Treatment method Erlotinib (Tarceva 150 mg/day) and Silybin (Siliphos 1g bid/day) q 4 weeks 5. Assessment criteria For toxicity assessment, posttreatment recurrence and survival rates will be investigated based on NCI-CTCAE ver 4.0 and RTOG. Efficacy assessment will be conducted through measurement of lesions by CT and RECIST criteria. Overall survival (OS), progression-free survival (PFS), and time to tumour progression (TTP) will be estimated using a Kaplan-Meier analysis. In addition, effect of pre-treatment T790M on response and PFS will be analyzed.

Who is eligible to participate?

Inclusion Criteria: - 1. Histological or cytologic diagnosis of stage IV lung adenocarcinoma and confirmed EGFR mutation - 2. Patients who have not received chemotherapy before. However, patients who received postoperative adjuvant chemotherapy more than 6 months ago are eligible. - 3. Patients with a lesion that can be measured a response-evaluation according to the RECIST criteria (at least one evaluable lesion) - 4. Patients aged 20 years or older - 5. ECOG performance status score of 0, 1 or 2 - 6. Expected lifetime of ≥3 months - 7. Adequate bone marrow and liver functions maintained 1. Neutrophil count: > 1,500/㎕ 2. Platelet count: > 100,000/㎕ 3. Hb: > 9.0g/dL 4. AST/ALT: < 2.0 x upper normal limit 5. Bilirubin: < 1.25 x upper normal limit - 8. Patients or their legally acceptable representatives must complete a written consent before initiation of the study and patients can comply with requirements for the study Exclusion Criteria: - 1. Symptomatic central nervous system (CNS) malignant tumour or metastasis. However, the patients who are treated for CNS metastasis can be enrolled if their disease is radiologically stable and asymptomatic. Asymptomatic patients without a history of CNS metastasis do not need screening. - 2. Evidence of severe or uncontrolled systemic diseases at the investigator's discretion (e.g. unstable or uncompensated respiratory, cardiac, hepatic or renal diseases) - 3. Patients who have been treated with EGFR inhibitors before - 4. Patients treated with other investigational products or unapproved drugs within 28 days before enrollment in this study - 5. Pregnant and lactating women, and patients of childbearing who do not agree to use contraception - 6. Patients ineligible for the study at the investigator's discretion

Which medical condition, disease, disorder, syndrome, illness, or injury is researched?

Carcinoma, Non-Small-Cell Lung

Study Interventions

Interventions can include giving participants drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available or noninvasive approaches such as surveys, education, and interviews.

Drug:ErlotinibErlotinib 150 mg/day q 4 weeks

Dietary Supplement:Silybin-phytosomeSilybin-phytosome 1g bid/day q 4 weeks

Study Arms

Research studies and clinical trials typically have two or more research arms. An arm is a group of people who receive the same treatment in the study.

Erlotinib and Silibin

Study Status

Unknown status

Start Date: April 2014

Completed Date: March 2016

Phase: Phase 2

Type: Interventional

Design:

Primary Outcome: Tumour response rate

Secondary Outcome: Safety assessment

Study sponsors, principal investigator, and references

Principal Investigator: Tae won Jang, Dr

Lead Sponsor: MedicalLogic

Collaborator: Kosin University Gospel Hospital

More information:https://clinicaltrials.gov/show/NCT02146118

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